Chain Sudoku: 250 Hard Chain Sudoku Puzzles 4x4 (Paperback) (ISBN-13: 9781070887661)

Chain Sudoku consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain.

Author: Mindful Puzzle Books
ISBN-10: 1070887668
ISBN-13: 9781070887661
Publisher: Independently Published
Language: English
Published: 05/30/2019
Pages: 148
Format: Paperback
Weight: 0.46lbs
Size: 9.00h x 6.00w x 0.32d